/Engine/Plugins/Runtime/Synthesis/Source/Synthesis/Classes/SynthComponents/SynthComponentGranulator.h
enum EGranularSynthEnvelopeType { Rectangular, Triangle, DownwardTriangle, UpwardTriangle, ExponentialDecay, ExponentialIncrease, Gaussian, Hanning, Lanczos, Cosine, CosineSquared, Welch, Blackman, BlackmanHarris, Count, }